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High-Pressure Inlet Brass & Stainless Cylinder Connections – Bulgin Gas Equipment
High-performance cylinder inlet connections from Bulgin Gas Equipment, designed and engineered to DIN 477-1 specifications for safe, reliable high-pressure gas handling. Available in corrosion-resistant stainless steel, these fittings ensure secure, leak-tight performance for industrial, medical, and laboratory gas systems.
Key Features
Designed to DIN 477-1 for high-pressure gas cylinder connections
Precision-machined stainless steel for strength and long service life
Leak-tight sealing for safe gas inlet applications
Suitable for regulators, manifolds, filling systems & gas distribution equipment
Compatible with common industrial and specialty gas standards
Available variants
| Part number | DIN 477 connection |
|---|---|
| 647-75001 | #1 |
| 647-75002 | #6 |
| 647-75003 | #10 |
| 647-75004 | #14 |
647-75001 — #1
Specifications
Material: Stainless Steel 316L and PTFE seal
Complies with DIN 477 #1
Nut: 21.8mm LH External, 14 T.P.I.
Stem: Flat end sealing face, thread O.D. 21.8mm
Length: 85mm
Thread: 1/4" NPT
Available Gases
DIN 477 #1 suitable for hydrogen, methane, ethylene, ethane, flammable mixtures, (Butane, Propane)
647-75002 — #6
Specifications
Material: Stainless Steel 316L and PTFE seal
Complies with DIN 477 #6
Nut: 0.860” WHIT RH, 14 T.P.I.
Stem: Flat end sealing face, thread O.D. 21.8mm
Length: 85mm
Thread: 1/4" NPT
Available Gases
DIN 477 #6 suitable for carbon dioxide, nitrous oxide (Argon, Helium)
647-75003 — #10
Specifications
Material: Stainless Steel 316L and PTFE seal
Complies with DIN 477 #10
Nut: 24.32 RH External, 14 T.P.I.
Stem: Flat end sealing face, thread O.D. 24.3mm
Length: 85mm
Thread: 1/4" NPT
Available Gases
DIN 477 #10 suitable for nitrogen
647-75004 — #14
Specifications
Material: Stainless Steel 316L and PTFE seal
Complies with DIN 477 #14
Nut: M 19 x 1.5 LH
Stem: Flat seal with gasket
Length: 85mm
Thread: 1/4" NPT
Available Gases
DIN 477 #14 suitable for test gases
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